🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 10.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.73 AU - 0.99 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,799,044 km

• M1: 133,142 km (0.113 R)
• M2: 725,550 km (0.108 R)
• M3: 1,103,284 km (0.1 R)
• M4: 1,441,525 km (0.067 R)
• M5: 2,013,438 km (0.119 R)
• M6: 2,563,210 km (0.086 R)
• M7: 2,897,860 km (0.115 R)
• M8: 3,334,237 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 8.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.44 AU - 5.42 AU

Year: 6436 Days

Day: 6.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,799,044 km

• M1: 105,466 km (0.097 R)
• M2: 509,680 km (0.038 R)
• M3: 1,156,840 km (0.072 R)
• M4: 1,423,873 km (0.106 R)
• M5: 2,142,242 km (0.096 R)
• M6: 2,455,499 km (0.072 R)
• M7: 3,605,159 km (0.094 R)
• M8: 3,920,063 km (0.12 R)
• M9: 5,183,117 km (0.085 R)
• M10: 7,372,781 km (0.077 R)
• M11: 8,782,741 km (0.114 R)
• M12: 9,472,687 km (0.061 R)
• M13: 10,364,290 km (0.119 R)
• M14: 13,876,848 km (0.102 R)
• M15: 15,513,150 km (0.083 R)
• M16: 17,929,903 km (0.114 R)
• M17: 18,294,473 km (0.046 R)
• M18: 19,290,945 km (0.106 R)
• M19: 19,931,822 km (0.108 R)
• M20: 20,520,789 km (0.118 R)
• M21: 21,459,815 km (0.051 R)
• M22: 22,779,717 km (0.119 R)
• M23: 23,423,436 km (0.108 R)
• M24: 23,786,211 km (0.066 R)
• M25: 24,079,273 km (0.086 R)
• M26: 24,597,779 km (0.077 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.8

Radius: 7.6

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.39 AU - 10.27 AU

Year: 16595 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,799,044 km

• M1: 120,576 km (0.118 R)
• M2: 390,750 km (0.111 R)
• M3: 954,883 km (0.115 R)
• M4: 1,261,260 km (0.066 R)
• M5: 1,506,301 km (0.056 R)
• M6: 2,075,670 km (0.056 R)
• M7: 3,149,783 km (0.095 R)
• M8: 3,808,463 km (0.082 R)
• M9: 6,419,993 km (0.094 R)
• M10: 6,977,693 km (0.063 R)
• M11: 9,811,526 km (0.069 R)
• M12: 12,077,934 km (0.094 R)
• M13: 12,400,018 km (0.087 R)
• M14: 13,400,977 km (0.098 R)
• M15: 14,168,414 km (0.061 R)
• M16: 15,638,363 km (0.105 R)
• M17: 17,045,929 km (0.087 R)
• M18: 17,780,455 km (0.092 R)
• M19: 18,621,195 km (0.096 R)
• M20: 20,381,663 km (0.067 R)
• M21: 20,838,684 km (0.089 R)
• M22: 22,637,449 km (0.112 R)
• M23: 31,716,843 km (0.072 R)
• M24: 37,255,255 km (0.113 R)
• M25: 41,188,483 km (0.078 R)
• M26: 41,918,819 km (0.112 R)
• M27: 42,955,682 km (0.112 R)
• M28: 44,926,634 km (0.038 R)
• M29: 48,075,370 km (0.106 R)
• M30: 49,211,267 km (0.094 R)
• M31: 50,364,966 km (0.078 R)
• M32: 52,214,145 km (0.071 R)
• M33: 53,587,154 km (0.112 R)
• M34: 56,047,590 km (0.043 R)
• M35: 60,438,886 km (0.112 R)
• M36: 61,192,411 km (0.094 R)
• M37: 63,879,039 km (0.046 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.4

Radius: 7

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.35 AU - 11.05 AU

Year: 20853 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,799,044 km

• M1: 87,365 km (0.092 R)
• M2: 505,641 km (0.078 R)
• M3: 1,010,384 km (0.095 R)
• M4: 1,256,024 km (0.086 R)
• M5: 1,646,474 km (0.095 R)
• M6: 1,990,549 km (0.036 R)
• M7: 5,720,323 km (0.085 R)
• M8: 7,126,543 km (0.119 R)
• M9: 9,263,250 km (0.113 R)
• M10: 12,562,930 km (0.099 R)
• M11: 13,439,873 km (0.113 R)
• M12: 16,831,256 km (0.108 R)
• M13: 17,093,202 km (0.089 R)
• M14: 19,194,005 km (0.026 R)
• M15: 23,246,911 km (0.11 R)
• M16: 26,518,766 km (0.118 R)
• M17: 26,992,841 km (0.07 R)
• M18: 28,821,077 km (0.059 R)
• M19: 33,131,141 km (0.057 R)
• M20: 35,653,960 km (0.075 R)
• M21: 38,907,713 km (0.077 R)
• M22: 44,483,525 km (0.115 R)
• M23: 52,034,179 km (0.12 R)
• M24: 52,964,079 km (0.074 R)
• M25: 57,384,247 km (0.082 R)
• M26: 57,779,934 km (0.116 R)
• M27: 67,169,294 km (0.051 R)
• M28: 77,044,250 km (0.087 R)
• M29: 78,982,290 km (0.106 R)
• M30: 79,717,265 km (0.112 R)
• M31: 81,699,736 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,333 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit